Paraphenylenediamines substituted at position 2 of the benzene r

Details Paraphenylenediamines substituted at position 2 of the benzene r Paraphenylenediamines substituted at position 2 of the benzene r

1978-12-04

1982-01-19

Robinson, Allen J.

Bleaching and dyeing; fluid treatment and chemical modification

Dyeing involving animal-derived natural fiber material ,...

Hair dyeing

8410, 8411, 8412, 8649, 560 29, 564 47, 564 99, 564220, 564354, 564443, A61K 713, C07C 8728, C07C10332

Patent

active

043114784

ABSTRACT:
Dye, especially for human hair that consists of the new chemical compounds of the general formula ##STR1## in which Z is selected in the group consisting of hydroxyalkyl, alkoxyalkyl, acylaminoalkyl, carbalkoxyaminoalkyl, mesylaminoalkyl, ureidoalkyl, aminoalkyl, monoalkylaminoalkyl, dialkylaminoalkyl radicals, and the salts of the corresponding acids. Among the preferred acid salts are the sulfates, hydrochlorides, phosphates and tartrates.
This dye is particularly suited for use with metadiphenols, metaphenylenediamines, metaaminophenols as well as the couplers of the formula ##STR2## in which R.sub.3 and R.sub.4 are identical or different and may represent hydrogen, alkoxy, or alkyl and in which R.sub.5 is selected from the group consisting of acyl, carbalkoxy and ureido.

REFERENCES:
patent: 2592364 (1952-04-01), Weissberger et al.
patent: 3037057 (1962-05-01), Tinsley et al.
patent: 3642769 (1972-02-01), Maritz et al.
patent: 3697215 (1972-10-01), Kalopissis et al.
patent: 3711546 (1973-01-01), Simon
patent: 3820948 (1974-06-01), Berth
patent: 3933886 (1976-01-01), Saygin
Chem. Abst., vol. 44, 9070-9071 (1950).

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